1. https://github.com/jsychong/MetaboAnalystR
2. https://www.dropbox.com/s/rchhnjg0gziwr2l/heatmap_1_dpi72.png?dl=0
3. https://www.dropbox.com/s/rchhnjg0gziwr2l/heatmap_1_dpi72.png?dl=0

On 04/03/19 at 02:41, Marcelo Laia wrote:
> Hi,
> 
> I'm trying to do a MetaboAnalystR [1]'s analysis with a large dataset. All 
> works
> great except PlotHeatMap function. This functions plot two type of image 
> output:
> "overview" and "detail". In "overview" mode, we can do plot the image in png 
> or
> pdf. However, in this mode, we do not could see the heatmap genes labels [2]. 
> If
> I try to "detail" mode, in pdf graphics device, an output image [3] is
> generated. However, it wasn't opened in acroread, evince. It is only viewed in
> xpdf. If I try to "detail" mode, in png graphics device, I got the error:
> 
> Error in Cairo::Cairo(file = imgName, unit = "in", dpi = dpi, width = w, :
> Failed to create Cairo backend!
> 
> I figured out that this error is not MetaboAnalystR related. Maybe it is 
> related
> with Cairo package/library.
> 
> Someone already/yet having had this issue? Are there workaround for that?
> 
> Best Wishes!
> 
> -- 
> Marcelo


-- 
Marcelo

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